81 	int error;  in ft6236_read()  local
83 	error = i2c_smbus_read_i2c_block_data(client, reg, len, data);  in ft6236_read()
84 	if (error < 0)  in ft6236_read()
85 		return error;  in ft6236_read()
87 	if (error != len)  in ft6236_read()
100 	int i, error;  in ft6236_interrupt()  local
102 	error = ft6236_read(ft6236->client, 0, sizeof(buf), &buf);  in ft6236_interrupt()
103 	if (error) {  in ft6236_interrupt()
104 		dev_err(dev, "read touchdata failed %d\n", error);  in ft6236_interrupt()
155 	int error;  in ft6236_debug_read_byte()  local
157 	error = ft6236_read(client, reg, 1, &val);  in ft6236_debug_read_byte()
158 	if (error)  in ft6236_debug_read_byte()
160 			"error reading register 0x%02x: %d\n", reg, error);  in ft6236_debug_read_byte()
205 	int error;  in ft6236_probe()  local
223 		error = PTR_ERR(ft6236->reset_gpio);  in ft6236_probe()
224 		if (error != -EPROBE_DEFER)  in ft6236_probe()
225 			dev_err(dev, "error getting reset gpio: %d\n", error);  in ft6236_probe()
226 		return error;  in ft6236_probe()
232 	error = ft6236_read(client, 0x00, 1, &val);  in ft6236_probe()
233 	if (error) {  in ft6236_probe()
234 		dev_err(dev, "failed to read from controller: %d\n", error);  in ft6236_probe()
235 		return error;  in ft6236_probe()
277 	error = input_mt_init_slots(input, FT6236_MAX_TOUCH_POINTS,  in ft6236_probe()
279 	if (error)  in ft6236_probe()
280 		return error;  in ft6236_probe()
282 	error = devm_request_threaded_irq(dev, client->irq, NULL,  in ft6236_probe()
285 	if (error) {  in ft6236_probe()
286 		dev_err(dev, "request irq %d failed: %d\n", client->irq, error);  in ft6236_probe()
287 		return error;  in ft6236_probe()
290 	error = input_register_device(input);  in ft6236_probe()
291 	if (error) {  in ft6236_probe()
292 		dev_err(dev, "failed to register input device: %d\n", error);  in ft6236_probe()
293 		return error;  in ft6236_probe()